31103280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3323}}^1$

素因数の和:3355

約数の個数: 120

約数和(自身を含む): 112524048

約数和(自身を除く): 81420768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 3323, 4680, 6646, 9360, 9969, 13292, 16615, 19938, 26584, 29907, 33230, 39876, 43199, 49845, 53168, 59814, 66460, 79752, 86398, 99690, 119628, 129597, 132920, 149535, 159504, 172796, 199380, 215995, 239256, 259194, 265840, 299070, 345592, 388791, 398760, 431990, 478512, 518388, 598140, 647985, 691184, 777582, 797520, 863980, 1036776, 1196280, 1295970, 1555164, 1727960, 1943955, 2073552, 2392560, 2591940, 3110328, 3455920, 3887910, 5183880, 6220656, 7775820, 10367760, 15551640, 31103280]

約数ペア:

[(1, 31103280), (2, 15551640), (3, 10367760), (4, 7775820), (5, 6220656), (6, 5183880), (8, 3887910), (9, 3455920), (10, 3110328), (12, 2591940), (13, 2392560), (15, 2073552), (16, 1943955), (18, 1727960), (20, 1555164), (24, 1295970), (26, 1196280), (30, 1036776), (36, 863980), (39, 797520), (40, 777582), (45, 691184), (48, 647985), (52, 598140), (60, 518388), (65, 478512), (72, 431990), (78, 398760), (80, 388791), (90, 345592), (104, 299070), (117, 265840), (120, 259194), (130, 239256), (144, 215995), (156, 199380), (180, 172796), (195, 159504), (208, 149535), (234, 132920), (240, 129597), (260, 119628), (312, 99690), (360, 86398), (390, 79752), (468, 66460), (520, 59814), (585, 53168), (624, 49845), (720, 43199), (780, 39876), (936, 33230), (1040, 29907), (1170, 26584), (1560, 19938), (1872, 16615), (2340, 13292), (3120, 9969), (3323, 9360), (4680, 6646)]